#100313
Closest named color: Almost Black (#070D0D). oklch(13.6% 0.044 320.9), rgb(16, 3, 19).
Aa
White text reads best on this color (20.10:1).
About this color
#100313 is a very dark, muted purple. In OKLCH its lightness is 14%, its chroma 0.044 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.053 away. White text reads best on it, at 20.10:1.
| Hue family | Purples |
| Lightness | very dark (14%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.10:1 |
Values
| HEX | #100313 |
| RGB | rgb(16, 3, 19) |
| HSL | hsl(289, 73%, 4%) |
| OKLCH | oklch(13.6% 0.044 320.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #100313 | 20.10:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100313 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #100313 text on white | 20.10:1 | AAA | Lc 105.8 | Preferred for body text |
| #100313 text on black | 1.04:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E2D3E5
oklch(88.4% 0.029 320.6)
-
Step 300
300
#D1B6D6
oklch(80.9% 0.053 321)
-
Step 400
400
#B990C1
oklch(70.8% 0.083 320.8)
-
Step 500
500
#A773B1
oklch(63.1% 0.108 320.9)
-
Step 600
600
#925B9C
oklch(55.6% 0.115 321.3)
-
Step 700
700
#7C4A86
oklch(49.1% 0.109 320.8)
-
Step 800
800
#653D6D
oklch(42.7% 0.091 320.8)
-
Step 900
900
#523558
oklch(37.7% 0.069 320.6)
-
Step 950
950 (this color)
#100313
oklch(13.6% 0.044 320.9)
#100313 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #010614 | 0.044 |
| Deuteranopia (no green cones) | #040813 | 0.037 |
| Tritanopia (no blue cones) | #100509 | 0.027 |
| Achromatopsia (no color) | #070707 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100313
#100313
oklch(13.6% 0.044 320.9)
- #010C00
#010C00
oklch(13.5% 0.044 140)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #100313, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.053
- Very Dark Brown #1D0200 ΔE 0.061
- Rich Navy #001219 ΔE 0.066
- Midnight #03012D ΔE 0.069
- Dark Navy Blue #00022E ΔE 0.075
- Dark Navy #000435 ΔE 0.084
- Very Dark Blue #000133 ΔE 0.084
- Very Dark Purple #2A0134 ΔE 0.092
Use #100313 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.